Tag: volcanic ash
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Fun Fact #82 Why were Portlanders wearing face masks in 1980?
Read more: Fun Fact #82 Why were Portlanders wearing face masks in 1980?Why were Portlanders wearing face masks in 1980? Portlanders wore face masks in 1980 to avoid breathing in volcanic ash. Following the eruption of Mount St. Helens on May 18th, 1980 the wind blew east sparing the city until the wind shifted. The eruption released a massive ash cloud that spread across the Pacific Northwest […]